/* * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2011-12-12 Yi Qiu first version */ #include #include #define USB_HOST_CONTROLLER_NAME "usbh" #if defined(RT_USBH_HID_KEYBOARD) || defined(RT_USBH_HID_MOUSE) #include #endif /** * This function will initialize the usb host stack, all the usb class driver and * host controller driver are also be initialized here. * * @return none. */ rt_err_t rt_usb_host_init(void) { ucd_t drv; rt_device_t uhc; uhc = rt_device_find(USB_HOST_CONTROLLER_NAME); if(uhc == RT_NULL) { rt_kprintf("can't find usb host controller %s\n", USB_HOST_CONTROLLER_NAME); return -RT_ERROR; } /* initialize usb hub */ rt_usbh_hub_init((uhcd_t)uhc); /* initialize class driver */ rt_usbh_class_driver_init(); #ifdef RT_USBH_MSTORAGE /* register mass storage class driver */ drv = rt_usbh_class_driver_storage(); rt_usbh_class_driver_register(drv); #endif /* register hub class driver */ drv = rt_usbh_class_driver_hub(); rt_usbh_class_driver_register(drv); /* initialize usb host controller */ rt_device_init(uhc); return RT_EOK; }